STM32 2.8 inch LCD Board (RBT6)

Specifications

ChipSTM32F103RB
PackageLQFP64
RAM20 kBytes
Flash128 kBytes
Speed72 Mhz
USARTs3
SPIs2
I2Cs2
USBYes
DACsNo
SD CardYes

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Pinout

Hover the mouse over a pin function for more information. Clicking in a function will tell you how to use it in Espruino.

  • Purple boxes show pins that are used for other functionality on the board. You should avoid using these unless you know that the marked device is not used.
  • ! boxes contain extra information about the pin. Hover your mouse over them to see it.
  • 3.3v boxes mark pins that are not 5v tolerant (they only take inputs from 0 - 3.3v, not 0 - 5v).
  • GND is ground (0v).
  • ADC is an Analog to Digital Converter (for reading analog voltages)
  • PWM is for Pulse Width Modulation. This creates analog voltages from a digital output by sending a series of pulses.
  • SPI is the 3 wire Serial Peripheral Interface.
  • USART is a 2 wire peripheral for Serial Data.
  • I2C is the 2 wire Inter-Integrated Circuit bus.
  • CAN is for the Controller Area Network. It is not supported by Espruino.
5V
C0 3.3v ADC LCD
C2 3.3v ADC LCD
C4 3.3v ADC LCD
C6 LCD PWM
A0 3.3v ADC BTN1
A2 3.3v ADC LED1 PWM USART2 TX
A4 3.3v ADC TOUCH USART2 CK
A6 3.3v ADC SD CARD PWM SPI1 MISO
B8 CAN LCD I2C1 SCL PWM
B10 LCD I2C2 SCL PWM USART3 TX
B12 LCD USART3 CK
B14 LCD PWM SPI2 MISO
3V3
3V3
C14 3.3v OSC RTC
C12 LCD USART3 CK
C10 LCD USART3 TX
C8 LCD PWM
B6 I2C1 SCL PWM USART1 TX
B4 PWM SPI1 MISO
B2 BOOT1
B0 3.3v ADC POT1 PWM
A14 JTAG
A12 CAN USB
A10 PWM USART1 RX
A8 PWM USART1 CK
5V
GND
C15 3.3v OSC RTC
C13 3.3v TOUCH
C11 LCD USART3 RX
C9 LCD PWM
B7 SD CARD I2C1 SDA PWM USART1 RX
B5 3.3v PWM SPI1 MOSI
B3 PWM SPI1 SCK
B1 3.3v ADC PWM
A15 JTAG
A13 JTAG
A11 CAN USB PWM
A9 PWM USART1 TX
GND
GND
C1 3.3v ADC LCD
C3 3.3v ADC LCD
C5 3.3v ADC LCD
C7 LCD PWM
A1 3.3v ADC BTN2 PWM
A3 3.3v ADC LED2 PWM USART2 RX
A5 3.3v ADC SD CARD SPI1 SCK
A7 3.3v ADC SD CARD PWM SPI1 MOSI
B9 CAN LCD I2C1 SDA PWM
B11 LCD I2C2 SDA PWM USART3 RX
B13 LCD PWM SPI2 SCK
B15 LCD PWM SPI2 MOSI
GND

Pins not on connectors

D0 CAN OSC
D1 CAN OSC
D2 USB